Finding the Fourth Proportional to 2,190,702.51, 3,283,116.45 and 1,704,971.17
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Solution
The fourth proportional to 2,190,702.51, 3,283,116.45 and 1,704,971.17 is: 2,555,170.71
Step by Step Solution
- Step 1: Write the proportion equation
2,190,702.51 : 3,283,116.45 = 1,704,971.17 : x - Step 2: Convert to fraction form
2,190,702.51/3,283,116.45 = 1,704,971.17/x - Step 3: Cross multiply
2,190,702.51x = 3,283,116.45 × 1,704,971.17 - Step 4: Simplify right side
2,190,702.51x = 5,597,618,886,794.96 - Step 5: Solve for x
x = 5,597,618,886,794.96/2,190,702.51 - Step 6: Final answer
x = 2,555,170.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.